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4 in coach class. Some of the passengers were surprised when none of the 1 ere seated in the first class. The dotplot below shows simulated random sell

4 in coach class. Some of the passengers were surprised when none of the 1 ere seated in the first class. The dotplot below shows simulated random sell

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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1) The Transportation Security Administration (TSA) is responsible for airport safety. On some flights, TSA officers randomly select passengers for an extra security check prior to boarding. One such flight had 76 total passengers - 12 in first class and 64 in coach class. Some of the passengers were surprised when none of the 10 passengers chosen for addition screening were seated in the first class. The dotplot below shows simulated random selections of 10 passengers in 50 trials. 0 1 2 3 Number of First Class Passengers a) Explain what the dot at 4 represents. 5 b) Use the results of the simulation to estimate the probability that none of the first-class passengers are selected for an extra security check. c) Should the passengers be surprised that none of the 10 passengers chosen for screening were sated in first class? Explain your answer.
Transcribed Image Text:1) The Transportation Security Administration (TSA) is responsible for airport safety. On some flights, TSA officers randomly select passengers for an extra security check prior to boarding. One such flight had 76 total passengers - 12 in first class and 64 in coach class. Some of the passengers were surprised when none of the 10 passengers chosen for addition screening were seated in the first class. The dotplot below shows simulated random selections of 10 passengers in 50 trials. 0 1 2 3 Number of First Class Passengers a) Explain what the dot at 4 represents. 5 b) Use the results of the simulation to estimate the probability that none of the first-class passengers are selected for an extra security check. c) Should the passengers be surprised that none of the 10 passengers chosen for screening were sated in first class? Explain your answer.
Expert Solution
Step 1: Given information.

A dotplot is given, showing simulated random selections of 10 passengers in 50 trials subjected to extra security checks.


To find:

a) Interpretation of the dot at 4.

b) The probability that none of the first-class passengers are selected for an extra security check.

c) Conclusion when none of the 10 passengers chosen for screening were seated in first class.

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